Cai-Heng Li

collaborators

2 papers

math.GR2024

Intersecting subsets in finite permutation groups

CaiHeng Li, Venkata Raghu Tej Pantangi, Shujiao Song +1

Let $G ⩽ Sym (Ω)$ be transitive, and let $S$ be an intersecting subset, namely, the ratio $x y^{- 1}$ of any elements $x, y \in S$ fixes some point. An EKR-type problem i…

math.CO2022

On the EKR Module property

Cai Heng Li, Venkata Raghu Tej

In the recent years, the generalization of the Erdős-Ko-Rado (EKR) theorem to permutation groups has been of much interest. A transitive group is said to satisfy the EKR-module pro…